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73 Magazine (October 1966)


Published October 1966
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73 Magazine October 1966 (#73)

Integrated Circuits - How will they affect you? ...... WA1CCH 4
EI Marrinero - An inexpensive eighty meter SSB transceiver ...... W6BlZ 6
Two Tubes for Two - SSB on two with two tubes and a twenty meter transceiver ...... K9EID 16
432 MHz Transmitting Converter - Not too expensive or hard to build ...... K6RIL 18
A Two Meter FET Converter - Low-noise, low-cost and low cross-modulation ...... K6HMO 22
Electronic Thermometer - Make sure that your linear doesn't cook ...... K5ILG 26
Controlled Avalanche Silicon Rectifiers - There's no need for those shunting capacitors and resistors ...... W9EGQ 26
Telegraph Keys - Look what's happened to them ...... WA6CEZ 30
220 MHz Receiver - A super regenerative receiver for poor folks ...... WB2EGZ 38
Ham TV, Let's Get Going - Part 1: Theory, testing and receiving. Part 2 next month ...... K3ADS 42
The Multical - A multi-purpose crystal calibrator ...... K9VXL 48
Connectors for Surplus Tubes - Use those 2C39s and 4X150s you got so cheap ...... K2ZEL 50
DX Vertical - Very simple, very cheap, very effective ...... W0IFY 52
The Humidivox - Here's a new idea for avoiding citations ...... WA2IKL 58
Gus, Part 16 - After you read this, you'll won't to move to Aldabra ...... W4BPD 60
WTW and You, Mr. DX'er - And the WTW countries list ...... W4BPD 66
The Future of the 10 Meter Band - It'll be coming to life in not too long ...... Nelson 70
The WRL Duo-Bander - Ralph likes it; two bands for 50 cents per watt ...... W8QUR 74
The RF Discriminator - It's little-known to hams, but very useful ...... K7DEP 78
AM vs. The Carrier - Here's proof that a carrier is not affected by AM ...... W7CSD 82
Propagation - How do you like our new propagation charts? ...... Nelson 88
Zener Diodes - Here's an excellent article that explains Zeners in detail. Tells you how to check and use surplus ones, too ...... W2DXH 108

Index courtesy of http://www.qsl.net/kb9mwr/files/ham/73.html.A


Year 1966
Language English
Collection 73-magazine; magazine_rack; additional_collections

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